低钾血症中哪一项论述是错误的?()
A.血清钾低于3.8mmol/L
B.钾丧失过多
C.钾摄入不足
D.心肌兴奋性增高
E.肠麻痹
参考答案:A
Problems caused by ______ nationality have to be properly coped with.
A.mutual
B.bilateral
C.binary
D.dual
铸件结构应尽可能使(),(),(),()和清理过程简化。